OE Quality
60-Day Returns

Karlyn 400 Spark Plug Wire Set
Reliable Spark Plug Wire Set for Audi 4000 and Volkswagen Quantum
The Karlyn Bremi-STI 400 spark plug wire set is designed to meet OEM specifications, ensuring consistent engine performance for Audi 4000 and Volkswagen Quantum models. Featuring OEM boot type and black color, this ignition wire set provides a direct replacement solution for ignition system maintenance.
- OEM boot type for secure and precise fitment
- Black color matching original equipment appearance
- Compatible with Audi 4000 and Volkswagen Quantum engines
- Part number 400 for accurate identification and ordering
- Designed to maintain optimal ignition system function
About the Bremi-STI Product Line
The Bremi-STI line by Karlyn focuses on ignition components engineered to meet original equipment standards. This product line emphasizes compatibility and durability, providing ignition wire sets that align with factory specifications. The Bremi-STI 400 spark plug wire set is part of this line, offering reliable performance for specific Audi and Volkswagen models.
Product Details and Specifications
This spark plug wire set features OEM boot types that ensure a secure connection to spark plugs and ignition coils, reducing the risk of misfires. The black color maintains a clean, factory look under the hood. Designed specifically for engines requiring OEM fitment, this set supports the ignition system's electrical conductivity and insulation needs. The part number 400 identifies this exact configuration for Audi 4000 and Volkswagen Quantum vehicles.
Common Applications and Issues Addressed
- Replacement of worn or damaged spark plug wires
- Resolving engine misfires related to ignition wire failure
- Improving engine starting reliability
- Maintaining consistent spark delivery for smooth engine operation
- Preventing electrical interference affecting ignition timing
Installation Notes and Tips
When installing the Karlyn Bremi-STI 400 spark plug wire set, ensure the OEM boot type matches the original equipment for proper fit. Route wires according to factory specifications to avoid contact with hot engine components or moving parts. Verify secure connections at both spark plug and ignition coil ends to maintain optimal performance.
Quality Assurance and Warranty
Karlyn provides this spark plug wire set with quality assurance aligned to OEM standards. The Bremi-STI product line is manufactured to meet strict durability and performance criteria. Please refer to Karlyn's official warranty policy for specific coverage details related to the part number 400.
| Brand | Karlyn |
| Part Number | 400 |
| Position | Bremi-STI, N/A |
| Boot Type | OEM |
| Color | Black |
| Engine | OEM |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1984 | Audi | 4000 | 1.8L | L4 | N/A | Bremi-STI |
| 1983 | Audi | 4000 | 1.7L | L4 | N/A | Bremi-STI |
| 1983 | Volkswagen | Quantum | 1.7L | L4 | N/A | Bremi-STI |
| 1982 | Audi | 4000 | 1.7L | L4 | N/A | Bremi-STI |
| 1982 | Volkswagen | Quantum | 1.7L | L4 | N/A | Bremi-STI |
| 1981 | Audi | 4000 | 1.7L | L4 | N/A | Bremi-STI |
| 1980 | Audi | 4000 | 1.6L | L4 | N/A | Bremi-STI |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.